package com.weichuang.ecommerce;

import java.util.Properties;

import javax.sql.DataSource;

import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;

import com.github.pagehelper.PageHelper;

/**
 * Created by zhangjiming on 16/8/9.
 */
@Configuration
@EnableTransactionManagement(proxyTargetClass = true)
@AutoConfigureAfter(C3p0DataSourceConfig.class)
@SuppressWarnings("SpringJavaAutowiringInspection")
public class MyBatisConfig implements TransactionManagementConfigurer {
	@Autowired
	DataSource dataSource;
	
	@Bean(name = "sqlSessionFactory")
	public SqlSessionFactory sqlSessionFactoryBean() {
		SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
		bean.setDataSource(dataSource);
		/* 分页插件 */
		PageHelper pageHelper = new PageHelper();
		Properties props = new Properties();
		props.setProperty("reasonable", "true");
		props.setProperty("supportMethodsArguments", "true");
		props.setProperty("returnPageInfo", "check");
		props.setProperty("params", "count=countSql");
		pageHelper.setProperties(props);
		//添加插件
		bean.setPlugins(new Interceptor[] { pageHelper });
		try {
			ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
			bean.setConfigLocation(resolver.getResource("classpath:mybatis-config.xml"));
			return bean.getObject();
		}
		catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
	
	@Bean
	public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory) {
		return new SqlSessionTemplate(sqlSessionFactory);
	}
	
	@Bean
	@Override
	public PlatformTransactionManager annotationDrivenTransactionManager() {
		return new DataSourceTransactionManager(dataSource);
	}
}
